Basic Applet

applet.java

import java.awt.*;
import java.applet.*;

public class applet extends Applet implements Runnable {
    String str;
    int x,y;
    Thread th;
    public void init() {
        str = "I like to move it move it";
        x = y = 5;
        th = new Thread(this);
        th.start();
    }

    public void run() {
        while (true) {
            y=x+=5;
            try {
                Thread.sleep(500);
            }
            catch(Exception e)
            {
                System.out.println(e);
            }
            repaint();
        }
    }

    public void paint(Graphics g) {
        g.drawString(str, x, y);
    }
}

/*
<applet code="applet.java" height=600 width=600></applet>
*/